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I made a little program in Java, and it run perfectly when I use the java -jar myFile.jar but when I use the "open with OpenJDK Java 7 Runtime" option, nothing happen.

I have no idea why it doesn't launch. If anybody got an idea... Thank you

Cariamole
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    This has been answered here: http://askubuntu.com/questions/270172/how-can-i-make-a-jar-file-executable – MadMike Jun 13 '16 at 09:01

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You have to enable it to be executable. You can do that one time in terminal by giving it for example 755 permissions by 

chmod 755 /path/javafile.jar

or

chmod +x /path/javafile.jar

Same you can do from the GUI by open the file properties, switch to the permission tab and set the check-mark as shown in the screen-shot.

enter image description here

Videonauth
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